{"city":"Rio Branco","region":"BR-AC","country":"BR","slug":"rio-branco","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"SBRB","name":"Rio Branco-Pl\u00e1cido de Castro International Airport","subCat1HoursPerYear":49,"forecast":"climatology"}],"primaryStation":"SBRB","forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. August typically brings about 1 hour of dense fog here (10-year average)."},"climatology":{"subCat1HoursPerYear":49,"fogSeasonPeakMonths":["March","June"],"medianEventHours":1,"season":{"summary":"Fog season runs September through June, peaking in March; fog is mostly a 5 AM\u20136 AM phenomenon; typically thinning out by 8 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","March","April","May","June","September","October","November","December"],"timeOfDay":"5 AM\u20136 AM","typicallyClearsBy":"8 AM"}},"links":{"page":"https://fogatlas.org/fog/city/rio-branco/","stationPages":["https://fogatlas.org/fog/sbrb/"],"verification":"https://fogatlas.org/fog/scorecard/"}}